When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Iasi Airport?

Prices for flights from Chicago O'Hare Intl Airport to Iasi Airport are updated daily.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Iasi Airport?

The number of operators available for flights from Chicago O'Hare Intl Airport to Iasi Airport is 1 as of April 2026.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Iasi Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Iasi Airport.

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$662 Cheap Flights from Chicago O'Hare Intl Airport to Iaşi in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Iaşi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 3:20 pm

ORD

IAS

22h 35m

2 stops

5:20 am - 1:20 pm

IAS

ORD

16h 00m

1 stop

$893Multiple Airlines

Mon, Aug 17 - Fri, Aug 28

8:45 am - 3:20 pm

ORD

IAS

22h 35m

2 stops

5:20 am - 6:37 pm

IAS

ORD

21h 17m

2 stops

$903Multiple Airlines

Mon, Aug 17 - Fri, Aug 28

4:20 pm - 3:20 pm

ORD

IAS

15h 00m

1 stop

5:20 am - 1:20 pm

IAS

ORD

16h 00m

1 stop

$933Austrian Airlines

Mon, Aug 17 - Fri, Aug 28

12:57 pm - 3:20 pm

ORD

IAS

18h 23m

2 stops

4:00 pm - 5:00 pm

IAS

ORD

33h 00m

2 stops

$989Austrian Airlines

Fri, Aug 21 - Tue, Sep 1

4:20 pm - 3:20 pm

ORD

IAS

15h 00m

1 stop

4:00 pm - 5:00 pm

IAS

ORD

33h 00m

2 stops

$990Austrian Airlines

Fri, Aug 21 - Tue, Sep 1

3:35 pm - 5:45 pm

ORD

IAS

18h 10m

2 stops

8:30 am - 9:25 pm

IAS

ORD

44h 55m

3 stops

$1,055Multiple Airlines

Mon, Aug 17 - Fri, Aug 28

11:05 am - 5:45 pm

ORD

IAS

22h 40m

3 stops

8:30 am - 6:15 pm

IAS

ORD

41h 45m

3 stops

$1,064Multiple Airlines

Mon, Aug 17 - Fri, Aug 28

9:40 pm - 1:20 am

ORD

IAS

19h 40m

2 stops

4:00 pm - 8:08 pm

IAS

ORD

36h 08m

2 stops

$1,088Multiple Airlines

Sat, May 9 - Sat, May 23

12:55 pm - 3:20 pm

ORD

IAS

18h 25m

2 stops

4:00 pm - 1:20 pm

IAS

ORD

29h 20m

1 stop

$1,093Austrian Airlines

Sat, May 9 - Mon, May 18

4:20 pm - 1:20 am

ORD

IAS

25h 00m

1 stop

4:00 pm - 1:20 pm

IAS

ORD

29h 20m

1 stop

$1,096Austrian Airlines

Mon, May 11 - Mon, May 25

Austrian Airlines flights from Chicago O'Hare Intl Airport to Iaşi

Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to Iaşi flight tickets

Austrian Airlines

Aug 17

ORD4:20 pmChicago O'Hare Intl

15h 00m

1 stop

IAS3:20 pmIasi

Aug 28

IAS5:20 amIasi

16h 00m

1 stop

ORD1:20 pmChicago O'Hare Intl

$933

Austrian Airlines

Apr 30

ORD4:20 pmChicago O'Hare Intl

15h 00m

1 stop

IAS3:20 pmIasi

May 6

IAS4:00 pmIasi

29h 20m

1 stop

ORD1:20 pmChicago O'Hare Intl

$950

Austrian Airlines

Apr 30

ORD12:55 pmChicago O'Hare Intl

18h 25m

2 stops

IAS3:20 pmIasi

May 6

IAS4:00 pmIasi

29h 20m

1 stop

ORD1:20 pmChicago O'Hare Intl

$970

Lufthansa flights from Chicago O'Hare Intl Airport to Iaşi

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Iaşi flight tickets

Lufthansa

Apr 30

ORD9:40 pmChicago O'Hare Intl

33h 40m

2 stops

IAS3:20 pmIasi

May 6

IAS5:20 amIasi

15h 35m

2 stops

ORD12:55 pmChicago O'Hare Intl

$969

Lufthansa

May 9

ORD9:40 pmChicago O'Hare Intl

19h 40m

2 stops

IAS1:20 amIasi

May 18

IAS4:00 pmIasi

28h 55m

2 stops

ORD12:55 pmChicago O'Hare Intl

$1,104

Lufthansa

May 9

ORD9:40 pmChicago O'Hare Intl

19h 40m

2 stops

IAS1:20 amIasi

May 18

IAS4:00 pmIasi

28h 55m

2 stops

ORD12:55 pmChicago O'Hare Intl

$1,105

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 8/17

8:45 am-3:20 pm

2 stops22h 35m

Iasi

Fri 8/28

5:20 am-1:20 pm

1 stop16h 00m

$893

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 8/17

8:45 am-3:20 pm

2 stops22h 35m

Iasi

Fri 8/28

5:20 am-6:37 pm

2 stops21h 17m

$903

Quickest round-trip

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 8/17

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Fri 8/28

5:20 am-1:20 pm

1 stop16h 00m

$933

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Fri 8/21

12:57 pm-3:20 pm

2 stops18h 23m

Iasi

Tue 9/1

4:00 pm-5:00 pm

2 stops33h 00m

$989

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Fri 8/21

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Tue 9/1

4:00 pm-5:00 pm

2 stops33h 00m

$990

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 8/17

3:35 pm-5:45 pm

2 stops18h 10m

Iasi

Fri 8/28

8:30 am-9:25 pm

3 stops44h 55m

$1,055

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 8/17

11:05 am-5:45 pm

3 stops22h 40m

Iasi

Fri 8/28

8:30 am-6:15 pm

3 stops41h 45m

$1,064

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 5/9

9:40 pm-1:20 am

2 stops19h 40m

Iasi

Sat 5/23

4:00 pm-8:08 pm

2 stops36h 08m

$1,088

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 5/9

12:55 pm-3:20 pm

2 stops18h 25m

Iasi

Mon 5/18

4:00 pm-1:20 pm

1 stop29h 20m

$1,093

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 5/11

4:20 pm-1:20 am

1 stop25h 00m

Iasi

Mon 5/25

4:00 pm-1:20 pm

1 stop29h 20m

$1,096

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Iaşi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago O'Hare Intl to Iasi?

Austrian Airlines and Lufthansa are the most popular carriers operating from Chicago O'Hare Intl to Iasi

When to book flights from Chicago O'Hare Intl Airport to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Iaşi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Iaşi (ORD to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Iaşi

Fastest flight time	18h 23m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Iaşi takes 18h 23m

There are no direct flights from Chicago O'Hare Intl Airport to Iaşi. There are no popular flight routes from Chicago O'Hare Intl Airport to Iaşi.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Iaşi

How far is Chicago O'Hare Intl to Iasi by plane?
The distance between Chicago O'Hare Intl and Iasi is about 5120.7 mi. Flights usually cover this in 18h 23m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Iasi Airport?
Prices for flights from Chicago O'Hare Intl Airport to Iasi Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Iasi Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Iasi Airport is 1 as of April 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Iasi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Iaşi?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Iaşi is Austrian Airlines, representing 100% of all bookings.

Best airlines flying from Chicago O'Hare Intl Airport to Iaşi

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Iaşi with momondo

Airline	Rating	Free Cancellation	Price
Austrian Airlines	PriceFrom $613	Free Cancellation	Rating 7.6 913 reviews		Search Austrian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Iaşi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Iaşi. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Iaşi with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Iaşi flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Iaşi?

momondo provides multiple filters to help you find the best flight to Iaşi from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Iaşi right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Iaşi from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.